Don't Let Yourself Get Tricked!

Algebra Level 3

I'm sitting in a room at 20C20^{\circ}C when all of a sudden it warms to 40C40^{\circ}C.

What is the percent change, to the nearest integer, in the temperature TT?

Details & Assumptions:

  • The formula for percent change between x1x_{1} and x2x_{2} is Δ\Delta% =100x2x1x1= 100\large{\frac{x_{2}-x_{1}}{x_{1}}}.

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